KR102257200B1 - 프리즘시트 및 이를 구비한 액정표시장치 - Google Patents

프리즘시트 및 이를 구비한 액정표시장치 Download PDF

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Publication number
KR102257200B1
KR102257200B1 KR1020140170735A KR20140170735A KR102257200B1 KR 102257200 B1 KR102257200 B1 KR 102257200B1 KR 1020140170735 A KR1020140170735 A KR 1020140170735A KR 20140170735 A KR20140170735 A KR 20140170735A KR 102257200 B1 KR102257200 B1 KR 102257200B1
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KR
South Korea
Prior art keywords
prism
light
prism pattern
liquid crystal
base film
Prior art date
Application number
KR1020140170735A
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English (en)
Korean (ko)
Other versions
KR20160066398A (ko
Inventor
권윤호
Original Assignee
엘지디스플레이 주식회사
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Application filed by 엘지디스플레이 주식회사 filed Critical 엘지디스플레이 주식회사
Priority to KR1020140170735A priority Critical patent/KR102257200B1/ko
Priority to CN201510855592.XA priority patent/CN105652352B/zh
Priority to US14/953,832 priority patent/US10054723B2/en
Publication of KR20160066398A publication Critical patent/KR20160066398A/ko
Application granted granted Critical
Publication of KR102257200B1 publication Critical patent/KR102257200B1/ko

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    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336—Illuminating devices
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/02—Diffusing elements; Afocal elements
    • G02B5/0205—Diffusing elements; Afocal elements characterised by the diffusing properties
    • G02B5/021—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place at the element's surface, e.g. by means of surface roughening or microprismatic structures
    • G02B5/0231—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place at the element's surface, e.g. by means of surface roughening or microprismatic structures the surface having microprismatic or micropyramidal shape
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/04—Prisms
    • G02B5/045—Prism arrays
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0033—Means for improving the coupling-out of light from the light guide
    • G02B6/005—Means for improving the coupling-out of light from the light guide provided by one optical element, or plurality thereof, placed on the light output side of the light guide
    • G02B6/0053—Prismatic sheet or layer; Brightness enhancement element, sheet or layer
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336—Illuminating devices
    • G02F1/133615—Edge-illuminating devices, i.e. illuminating from the side
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/133504—Diffusing, scattering, diffracting elements
    • G02F1/133507—Films for enhancing the luminance
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336—Illuminating devices
    • G02F1/133602—Direct backlight
    • G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members
    • G02F1/133607—Direct backlight including a specially adapted diffusing, scattering or light controlling members the light controlling member including light directing or refracting elements, e.g. prisms or lenses

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Planar Illumination Modules (AREA)
  • Liquid Crystal (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
KR1020140170735A 2014-12-02 2014-12-02 프리즘시트 및 이를 구비한 액정표시장치 KR102257200B1 (ko)

Priority Applications (3)

Application Number Priority Date Filing Date Title
KR1020140170735A KR102257200B1 (ko) 2014-12-02 2014-12-02 프리즘시트 및 이를 구비한 액정표시장치
CN201510855592.XA CN105652352B (zh) 2014-12-02 2015-11-30 棱镜片和具有该棱镜片的液晶显示装置
US14/953,832 US10054723B2 (en) 2014-12-02 2015-11-30 Prism sheet and liquid crystal display device having the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020140170735A KR102257200B1 (ko) 2014-12-02 2014-12-02 프리즘시트 및 이를 구비한 액정표시장치

Publications (2)

Publication Number Publication Date
KR20160066398A KR20160066398A (ko) 2016-06-10
KR102257200B1 true KR102257200B1 (ko) 2021-05-28

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Application Number Title Priority Date Filing Date
KR1020140170735A KR102257200B1 (ko) 2014-12-02 2014-12-02 프리즘시트 및 이를 구비한 액정표시장치

Country Status (3)

Country Link
US (1) US10054723B2 (zh)
KR (1) KR102257200B1 (zh)
CN (1) CN105652352B (zh)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106019611A (zh) * 2016-07-21 2016-10-12 京东方科技集团股份有限公司 光控板、双视显示面板和显示装置
WO2018220978A1 (ja) * 2017-05-31 2018-12-06 ソニー株式会社 光学部材、発光装置、表示装置および照明装置
JP7140126B2 (ja) * 2017-09-05 2022-09-21 ソニーグループ株式会社 発光装置および表示装置
CN108845461B (zh) * 2018-08-31 2023-06-30 武汉华星光电技术有限公司 背光模组及液晶显示装置
CN114114505A (zh) * 2020-08-31 2022-03-01 宁波激智科技股份有限公司 一种保偏光学膜及一种全贴合保偏复合棱镜膜

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010039091A (ja) * 2008-08-04 2010-02-18 Sumitomo Chemical Co Ltd 光学シートおよびそれを用いた光拡散板

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7316498B2 (en) * 2003-12-31 2008-01-08 General Electric Company Faceted optical substrate and method of fabricating a faceted optical substrate and a backlight display comprising the faceted optical substrate
US20060176565A1 (en) * 2005-02-10 2006-08-10 Fuji Photo Film Co., Ltd. Prism lens film and flat light emitting device
JP4006650B1 (ja) * 2006-05-08 2007-11-14 ソニー株式会社 光学フィルムおよびその製造方法ならびに表示装置
KR100917975B1 (ko) * 2007-06-23 2009-09-17 미래나노텍(주) 광학 시트
KR101501932B1 (ko) * 2007-12-31 2015-03-12 삼성디스플레이 주식회사 광학판, 이의 제조 방법 및 액정 표시 장치
WO2009110765A2 (ko) * 2008-03-07 2009-09-11 주식회사 코오롱 광학 시트
KR101255282B1 (ko) * 2008-06-04 2013-04-15 엘지디스플레이 주식회사 프리즘 시트 및 이를 이용한 백 라이트 유닛 및액정표시장치
CN101620342B (zh) * 2008-06-30 2012-12-26 鸿富锦精密工业（深圳）有限公司 背光模组及其光学板
KR101331907B1 (ko) * 2009-08-28 2013-11-22 엘지디스플레이 주식회사 백라이트장치 및 이를 구비한 액정표시장치
US20160067931A1 (en) * 2010-03-26 2016-03-10 Ubright Optronics Corporation Optical substrates having light collimating and diffusion structures
CN102207566B (zh) * 2011-07-01 2013-01-09 上海凯鑫森产业投资控股有限公司 棱镜片、具备上述棱镜片的背光模组及液晶显示装置
DE102012221592B4 (de) * 2012-11-26 2014-08-14 Schildtec GmbH Herstellverfahren für eine strahlumlenkende, phasenschiebende, optische Anordnung und damit hergestellte Anordnung

Patent Citations (1)

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Publication number Priority date Publication date Assignee Title
JP2010039091A (ja) * 2008-08-04 2010-02-18 Sumitomo Chemical Co Ltd 光学シートおよびそれを用いた光拡散板

Also Published As

Publication number Publication date
CN105652352B (zh) 2018-08-14
CN105652352A (zh) 2016-06-08
US10054723B2 (en) 2018-08-21
US20160154147A1 (en) 2016-06-02
KR20160066398A (ko) 2016-06-10

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